How To Fix MW331 - Material not filled


SAP Error Message - Details

  • Message type: E = Error

  • Message class: MW - Messages IS-R / Allocation Tables

  • Message number: 331

  • Message text: Material not filled

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  • Self-Explanatory Message

    Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

    To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

    Unfortunately, there isn't any extra information in this error notice.



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    First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

    Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

    You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.


Smart SAP Assistant

  • What is the cause and solution for SAP error message MW331 - Material not filled ?

    The SAP error message MW331 ("Material not filled") typically occurs when a material number is not provided or is not recognized in the system during a transaction. This error can arise in various contexts, such as during inventory management, goods movements, or when creating purchase orders.

    Causes:

    1. Missing Material Number: The most common cause is that the material number field is left blank or not filled in the transaction.
    2. Invalid Material Number: The material number entered may not exist in the system or may have been deleted or marked for deletion.
    3. Material Master Data Issues: The material master data may not be properly set up or may be incomplete.
    4. Authorization Issues: The user may not have the necessary authorizations to access the material data.
    5. Incorrect Transaction Code: The transaction code being used may not be appropriate for the action being performed.

    Solutions:

    1. Check Material Number: Ensure that the material number is correctly entered in the relevant field. If it is missing, fill it in.
    2. Verify Material Existence: Use transaction codes like MM03 (Display Material) to check if the material number exists in the system.
    3. Review Material Master Data: Ensure that the material master data is complete and correctly configured. Check for any missing views or data that may be required for the transaction.
    4. Check Authorizations: Ensure that the user has the necessary authorizations to access the material. This may involve checking roles and permissions in the user profile.
    5. Use Correct Transaction Code: Make sure you are using the correct transaction code for the operation you are trying to perform.

    Related Information:

    • Transaction Codes: Familiarize yourself with relevant transaction codes such as MM01 (Create Material), MM02 (Change Material), and MM03 (Display Material) for managing material data.
    • Material Types: Understand the different material types in SAP (e.g., raw materials, finished goods) and their implications on transactions.
    • SAP Notes: Check SAP Notes for any known issues or patches related to the error message MW331.
    • User Training: Ensure that users are trained on how to properly enter material numbers and understand the material master data structure.

    If the issue persists after checking these aspects, it may be beneficial to consult with your SAP support team or refer to SAP documentation for further troubleshooting steps.

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